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Office BuildingCommercial

620 1ST AVE S

GREAT FALLS, MT 59401
0
Baths
6,569 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1954
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$812 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$429,800 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$429,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$429,800

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Office Building
CountyCASCADE
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1975
Lot (acres)The size of the land the home sits on, from county records.0.17
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.None
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Major Street/Thoroughfare

Transaction History(1)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Longfellow Elementary SchoolD+
Elementary · Grades KG–6 · 0.5 mi
H
Great Falls High SchoolD-
High · Grades 9–12 · 1.1 mi
M
East Middle SchoolC+
Middle · Grades 7–8 · 2.8 mi

District: Great Falls Elementary School District

Neighborhood · ZIP 59401These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.122
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.46

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.23%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.13,474
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,643 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$54,638
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$67,270
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.14 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.61%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

620 1st Ave S measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Among the largest homes in Great Falls 59401
  • Has a smaller lot than 80% of homes in Cascade County
  • Newer than 81% of homes in Great Falls 59401

How it measures up in Great Falls 59401

The dot is this home. The mark in the middle is the typical home in Great Falls 59401.

Living area6,569 ft²
SmallerTypical 1,138 ft²Bigger

Bigger than almost all homes nearby

Lot size0.17 ac
SmallerTypical 0.17 acBigger

Bigger than 25% of homes nearby

Year built1954
OlderTypical 1930Newer

Newer than 81% of homes nearby

How 620 1st Ave S ranks against every home in each area.
MeasureThis homeGreat Falls 59401Cascade County
Living areabigger than6,569 ft²almost all homesalmost all homes
Lot sizebigger than0.17 ac25% of homes20% of homes
Year builtnewer than195481% of homes32% of homes

About 620 1st Ave S

When did 620 1st Ave S, Great Falls, MT last sell?

620 1st Ave S, Great Falls, MT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 620 1st Ave S, Great Falls, MT?

620 1st Ave S, Great Falls, MT has 6,569 square feet of living space and a 0.17-acre lot.

When was 620 1st Ave S, Great Falls, MT built?

620 1st Ave S, Great Falls, MT was built in 1954, making it 72 years old. The building has 1 story.

What schools serve 620 1st Ave S, Great Falls, MT?

620 1st Ave S, Great Falls, MT is assigned to Longfellow Elementary School (elementary), rated D+; Great Falls High School (high), rated D-; East Middle School (middle), rated C+. All sit in Great Falls Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 620 1st Ave S, Great Falls, MT compare to other homes in Great Falls 59401?

Among the 4,418 homes in Great Falls 59401, it is bigger than almost all of them (6,569 ft² against a typical 1,138 ft²), its lot is bigger than 25% of them (0.17 ac against a typical 0.17 ac) and it is newer than 81% of them (1954 against a typical 1930). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 620 1st Ave S, Great Falls, MT?

The 2025 property tax bill for 620 1st Ave S, Great Falls, MT was $812. The county assessed it at $429,800.

More homes on 1st Ave S

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Assigned schools

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